Seed productivity of early-ripening pepper varieties in the Central Black Earth region

Posted on 18.02.2026 by admin
UDC 635.649:631.531:631.526.32
https://doi.org/10.25630/PAV.2026.12.68.006

Bukharova A.R., Sycheva S.V., Bukharov A.F.

The article demonstrates the specifics of realizing the reproductive potential of four early-ripening pepper varieties in the Voronezh Region. The temperature regime from June to September was relatively favorable, with the exception of short-term cold snaps. The driest year was 2024, when 155.9 mm of precipitation fell from April to September, which amounted to 41.5% of the average annual norm. Considering that the moisture deficit was compensated for by irrigation, and the heat supply (especially during crop ripening) was high, the weather conditions of 2023–2024 should be considered favorable for pepper crops. In 2025, the total precipitation for June, July, and August exceeded the long-term value by 79.4 mm. Seedlings were grown with picking when 1–2 true leaves formed. The picking pattern is 8×8 cm. The age of seedlings is 50 days. Pepper cultivation in open ground included autumn plowing to a depth of 23–25 cm, harrowing, and two cultivations or milling. Planting was carried out in cut slits with irrigation at a rate of 20 l/m2 with the addition of ammophos and superphosphate at 10 g/m2. During the growing season, irrigation was carried out by sprinkling (20 l/m2) at intervals of 10–20 days. In 2023 and 2025, four irrigations were carried out, and in 2024, eight irrigations. Significant differences were revealed between the studied pepper samples in the main parameters characterizing the seed productivity indicator, due to their biological characteristics. Changes in seed productivity were noted to be due to variability in such key indicators as the number and weight of seed fruits, their insemination, and the weight of 1000 seeds. The largest fruits, the average weight of which varied significantly from year to year, were noted in the Beloserka variety (75.8–131.4), and the highest number of fruits of biological maturity (10.6–11.9 pieces per plant) was set in the Zukhra variety. The maximum seeding of fruits was revealed in the Vernost variety, which reached a value of 137.5 pieces / fruit. The weight of 1000 seeds varied within the range from 5.7 to 7.2 g depending on the conditions of the year. The highest yield of fruits at biological maturity (3.63 kg / m2) was noted in the Zukhra variety. The combination of these indicators ensured an average seed yield from 20.4 5 g / m2 for the Vernost variety to 33.5 g / m2 for the Zukhra variety. The mass fraction of seeds in this case varied from 0.44 to 1.07%. The predominant contribution to the formation of seed yield (43.4%) was provided by the variety factor, and the conditions of the year had a somewhat lesser influence (39.1%).

Key words: pepper, variety, seed production, parameters, factors.

Bukharova A.R., D.Sci. (Agr.), professor of the Department of Agriculture and Crop Production Vernadsky Russian State University of National Economy (Vernadsky University)

Sycheva S.V., senior research fellow, Voronezh vegetable experimental station – branch of FSBSI Federal State Vegetable Center

Bukharov A.F., D.Sci. (Agr.), chief research fellow of department of breeding and seed production, All-Russian Research Institute of Vegetable Growing – a branch of FSBSI Federal State Vegetable Center. E-mail: afb56@mail.ru

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For citing: Bukharova A.R., Sycheva S.V., Bukharov A.F. Seed productivity of early-ripening pepper varieties in the Central Black Earth region. Potato and vegetables. 2026. No1. Pp. 42-46. https://doi.org/10.25630/PAV.2026.12.68.006 (In Russ.).

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